mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-18 21:06:31 +00:00
151 lines
2.5 KiB
C
151 lines
2.5 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
|
|
#include <getopt.h>
|
|
|
|
/* Converts text to a GR image */
|
|
/* Why? On Apple II GR is just a form of text */
|
|
/* Maybe it will compress better */
|
|
|
|
static int loadtext(char *filename, unsigned char **image_ptr,
|
|
int *xsize, int *ysize, int inverse) {
|
|
|
|
FILE *infile;
|
|
char string[BUFSIZ];
|
|
char *result;
|
|
unsigned char *image;
|
|
int width,height,x,y;
|
|
|
|
x=0; y=0;
|
|
|
|
width=40;
|
|
height=24;
|
|
|
|
*xsize=40;
|
|
*ysize=24;
|
|
|
|
image=calloc(width*height,sizeof(unsigned char));
|
|
|
|
/* set to plain spaces */
|
|
if (inverse) {
|
|
memset(image,' '&0x3f,width*height);
|
|
}
|
|
else {
|
|
memset(image,' '|0x80,width*height);
|
|
}
|
|
|
|
infile=fopen(filename,"rb");
|
|
if (infile==NULL) {
|
|
fprintf(stderr,"Error, could not open %s!\n",filename);
|
|
return -1;
|
|
}
|
|
|
|
while(1) {
|
|
result=fgets(string,BUFSIZ,infile);
|
|
if (result==NULL) break;
|
|
|
|
if (string[0]=='#') continue;
|
|
|
|
// printf("%s",string);
|
|
|
|
for(x=0;x<width;x++) {
|
|
if ((string[x]=='\n') || (string[x]==0)) break;
|
|
|
|
if (inverse) {
|
|
if (string[x]=='~') {
|
|
image[(y*width)+x]=' '|0x80;
|
|
}
|
|
else {
|
|
image[(y*width)+x]=string[x]&0x3f;
|
|
}
|
|
}
|
|
else {
|
|
image[(y*width)+x]=string[x]|0x80;
|
|
}
|
|
}
|
|
y++;
|
|
if (y>=height) break;
|
|
|
|
}
|
|
|
|
fclose(infile);
|
|
|
|
*image_ptr=image;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int usage(char *name) {
|
|
|
|
fprintf(stderr,"Usage:\t%s INFILE OUTFILE\n\n",name);
|
|
exit(-1);
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
|
|
int row=0;
|
|
int col=0;
|
|
int x,c;
|
|
unsigned char out_buffer[1024];
|
|
|
|
unsigned char *image;
|
|
int xsize,ysize;
|
|
FILE *outfile;
|
|
int inverse=0;
|
|
|
|
opterr=0;
|
|
|
|
while ((c=getopt(argc,argv,"i"))!=-1) {
|
|
switch(c) {
|
|
case 'i':
|
|
inverse=1;
|
|
break;
|
|
default:
|
|
usage(argv[0]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (argc-optind < 2) {
|
|
usage(argv[0]);
|
|
}
|
|
|
|
outfile=fopen(argv[optind+1],"w");
|
|
if (outfile==NULL) {
|
|
fprintf(stderr,"Error! Could not open %s\n",argv[2]);
|
|
exit(-1);
|
|
}
|
|
|
|
if (loadtext(argv[optind],&image,&xsize,&ysize,inverse)<0) {
|
|
fprintf(stderr,"Error loading text!\n");
|
|
exit(-1);
|
|
}
|
|
|
|
fprintf(stderr,"Loaded text %d by %d\n",xsize,ysize);
|
|
|
|
short gr_offsets[]={
|
|
0x400,0x480,0x500,0x580,0x600,0x680,0x700,0x780,
|
|
0x428,0x4a8,0x528,0x5a8,0x628,0x6a8,0x728,0x7a8,
|
|
0x450,0x4d0,0x550,0x5d0,0x650,0x6d0,0x750,0x7d0,
|
|
};
|
|
|
|
memset(out_buffer,0,1024);
|
|
for(row=0;row<24;row++) {
|
|
for(col=0;col<40;col++) {
|
|
out_buffer[(gr_offsets[row]-0x400)+col]=image[row*xsize+col];
|
|
}
|
|
}
|
|
|
|
for(x=0;x<1024;x++) fputc( out_buffer[x],outfile);
|
|
|
|
fclose(outfile);
|
|
|
|
return 0;
|
|
}
|